Three people are invited to participate in a seminar. Assume all four people arrives independently, and the probability of any one of them is late is 0.2. Let X be the number of late participants of the seminar. . Find the distribution (pmf) of X. Calculate the mean and the variance of X.
Three people are invited to participate in a seminar. Assume all four people arrives independently, and the probability of any one of them is late is 0.2. Let X be the number of late participants of the seminar. . Find the distribution (pmf) of X. Calculate the mean and the variance of X.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
Related questions
Question
![Three people are invited to participate in a seminar. Assume all four people arrives independently, and the
probability of any one of them is late is 0.2. Let X be the number of late participants of the seminar.
Find the distribution (pmf) of X.
Calculate the mean and the variance of X.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F44f7125f-da98-45bb-9efd-74cbbf291a29%2Fdc89df70-5393-4658-9c5c-79883bee1d3d%2Fvuj3ijm_processed.png&w=3840&q=75)
Transcribed Image Text:Three people are invited to participate in a seminar. Assume all four people arrives independently, and the
probability of any one of them is late is 0.2. Let X be the number of late participants of the seminar.
Find the distribution (pmf) of X.
Calculate the mean and the variance of X.
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![Glencoe Algebra 1, Student Edition, 9780079039897…](https://www.bartleby.com/isbn_cover_images/9780079039897/9780079039897_smallCoverImage.jpg)
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
![Glencoe Algebra 1, Student Edition, 9780079039897…](https://www.bartleby.com/isbn_cover_images/9780079039897/9780079039897_smallCoverImage.jpg)
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill